2219006447 has 24 divisors (see below), whose sum is σ = 2835795840. Its totient is φ = 1695876480.

The previous prime is 2219006437. The next prime is 2219006453. The reversal of 2219006447 is 7446009122.

2219006447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2219006447 is a prime.

It is a super-2 number, since 2×2219006447² = 9847979223655127618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219006437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9572 + ... + 67302.

It is an arithmetic number, because the mean of its divisors is an integer number (118158160).

Almost surely, 2^2219006447 is an apocalyptic number.

2219006447 is a deficient number, since it is larger than the sum of its proper divisors (616789393).

2219006447 is a wasteful number, since it uses less digits than its factorization.

2219006447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57791 (or 57774 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2219006447 is about 47106.3312835971. The cubic root of 2219006447 is about 1304.3261097938.

The spelling of 2219006447 in words is "two billion, two hundred nineteen million, six thousand, four hundred forty-seven".